aos/common/controls/control_loop_test.h

#ifndef AOS_COMMON_CONTROLS_CONTROL_LOOP_TEST_H_
#define AOS_COMMON_CONTROLS_CONTROL_LOOP_TEST_H_

#include "gtest/gtest.h"

#include "aos/common/queue_testutils.h"
#include "aos/common/time.h"

namespace aos {
namespace testing {

// Handles setting up the environment that all control loops need to actually
// run.
// This includes sending the queue messages and Clear()ing the queues when
// appropriate.
// It also includes dealing with ::aos::time.
class ControlLoopTest : public ::testing::Test {
 public:
  ControlLoopTest();
  virtual ~ControlLoopTest();

  // Sends out all of the required queue messages.
  void SendMessages(bool enabled);
  // Ticks time for a single control loop cycle.
  void TickTime() {
    ::aos::time::Time::SetMockTime(current_time_ += kTimeTick);
  }

  // Simulates everything that happens during 1 loop time step.
  void SimulateTimestep(bool enabled) {
    SendMessages(enabled);
    TickTime();
  }

 private:
  static constexpr ::aos::time::Time kTimeTick = ::aos::time::Time::InUS(5000);
  static constexpr ::aos::time::Time kDSPacketTime =
      ::aos::time::Time::InMS(20);

  ::aos::time::Time last_ds_time_ = ::aos::time::Time::InSeconds(0);
  ::aos::time::Time current_time_ = ::aos::time::Time::InSeconds(0);

  ::aos::common::testing::GlobalCoreInstance my_core;
};

}  // namespace testing
}  // namespace aos

#endif  // AOS_COMMON_CONTROLS_CONTROL_LOOP_TEST_H_